POLAR FT4 - Manual (Page 12)

1. Open the battery cover with a coin by
turning it from CLOSE to OPEN.
2.
• When changing training computer
battery (2a), remove the battery
cover and lift the battery out
carefully with a suitable sized small
rigid stick or bar. However, prefer a
non-metal tool for wrenching the
battery out. Be careful not to
damage the metal sound element
(*) or the grooves. Insert a new
battery inside the cover with the
positive (+) side facing the cover.
• When changing transmitter battery
(2b), place the battery inside the
cover with the positive (+) side
facing the cover.
3. Replace the old sealing ring with a
new one, fitting it snuggly in the cover
groove to ensure water resistance.
4. Put the cover back on and turn it
clockwise to CLOSE.
5. Re-enter the basic settings if you
changed the training computer
batteries.
Precautions
Your Polar FT4 training computer is designed to help you achieve personal fitness goals and indicate the
level of physiological strain and intensity during training sessions. No other use is intended or implied.
Minimizing Possible Risks
Training may include some risk. Before beginning a regular training program, answer the following
questions concerning your health status. If you answer yes to any of these questions, consult a physician
before starting any training program.
• Have you been physically inactive for the past five years?
• Do you have high blood pressure or high blood cholesterol?
• Do you have symptoms of any disease?
• Are you taking any blood pressure or heart medication?
• Do you have a history of breathing problems?
• Are you recovering from a serious illness or medical treatment?
• Do you use a pacemaker or other implanted electronic device?
• Do you smoke?
• Are you pregnant?
Note that in addition to training intensity, medication for heart conditions/blood pressure/psychological
conditions/asthma/breathing/etc, as well as some energy drinks, alcohol, and nicotine may also affect
heart rate.
It is important to be sensitive to your body’s responses during training. If you feel unexpected pain or
excessive fatigue when training, stop the exercise or continue at a lighter intensity.
If you have a pacemaker, defibrillator or other implanted electronic device, you use the Polar FT4 at your
own risk. Before starting use, take a maximal training stress test under the supervision of a physician. The
test is to ensure the safety and reliability of the simultaneous use of the pacemaker and the Polar FT4.
If you are allergic to any substance that comes into contact with your skin or if you suspect an allergic
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12 Customer Service Information